10423156547 has 2 divisors, whose sum is σ = 10423156548. Its totient is φ = 10423156546.

The previous prime is 10423156519. The next prime is 10423156561. The reversal of 10423156547 is 74565132401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10423156547 - 2⁸ = 10423156291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10423156547.

It is not a weakly prime, because it can be changed into another prime (10423156507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5211578273 + 5211578274.

It is an arithmetic number, because the mean of its divisors is an integer number (5211578274).

Almost surely, 2^10423156547 is an apocalyptic number.

10423156547 is a deficient number, since it is larger than the sum of its proper divisors (1).

10423156547 is an equidigital number, since it uses as much as digits as its factorization.

10423156547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 38.

Adding to 10423156547 its reverse (74565132401), we get a palindrome (84988288948).

The spelling of 10423156547 in words is "ten billion, four hundred twenty-three million, one hundred fifty-six thousand, five hundred forty-seven".