403746423 has 4 divisors (see below), whose sum is σ = 538328568. Its totient is φ = 269164280.

The previous prime is 403746397. The next prime is 403746433. The reversal of 403746423 is 324647304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 403746423 - 2⁹ = 403745911 is a prime.

It is a super-5 number, since 5×403746423⁵ (a number of 44 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403746433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67291068 + ... + 67291073.

It is an arithmetic number, because the mean of its divisors is an integer number (134582142).

Almost surely, 2^403746423 is an apocalyptic number.

403746423 is a deficient number, since it is larger than the sum of its proper divisors (134582145).

403746423 is a wasteful number, since it uses less digits than its factorization.

403746423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134582144.

The product of its (nonzero) digits is 48384, while the sum is 33.

The square root of 403746423 is about 20093.4422884681. The cubic root of 403746423 is about 739.0994786013.

The spelling of 403746423 in words is "four hundred three million, seven hundred forty-six thousand, four hundred twenty-three".