15266231023 has 2 divisors, whose sum is σ = 15266231024. Its totient is φ = 15266231022.

The previous prime is 15266231021. The next prime is 15266231033. The reversal of 15266231023 is 32013266251.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15266231023 - 2¹ = 15266231021 is a prime.

Together with 15266231021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15266231021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7633115511 + 7633115512.

It is an arithmetic number, because the mean of its divisors is an integer number (7633115512).

Almost surely, 2^15266231023 is an apocalyptic number.

15266231023 is a deficient number, since it is larger than the sum of its proper divisors (1).

15266231023 is an equidigital number, since it uses as much as digits as its factorization.

15266231023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 15266231023 its reverse (32013266251), we get a palindrome (47279497274).

The spelling of 15266231023 in words is "fifteen billion, two hundred sixty-six million, two hundred thirty-one thousand, twenty-three".