23002011 has 6 divisors (see below), whose sum is σ = 33225140. Its totient is φ = 15334668.

The previous prime is 23002009. The next prime is 23002013. The reversal of 23002011 is 11020032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23002009) and next prime (23002013).

It is not a de Polignac number, because 23002011 - 2¹ = 23002009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 2555779 = 23002011 / (2 + 3 + 0 + 0 + 2 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23001984 and 23002002.

It is not an unprimeable number, because it can be changed into a prime (23002013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1277881 + ... + 1277898.

Almost surely, 2^23002011 is an apocalyptic number.

23002011 is a deficient number, since it is larger than the sum of its proper divisors (10223129).

23002011 is a wasteful number, since it uses less digits than its factorization.

23002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555785 (or 2555782 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 23002011 is about 4796.0411799733. The cubic root of 23002011 is about 284.3949861733.

Adding to 23002011 its reverse (11020032), we get a palindrome (34022043).

The spelling of 23002011 in words is "twenty-three million, two thousand, eleven".