15395532023 has 2 divisors, whose sum is σ = 15395532024. Its totient is φ = 15395532022.

The previous prime is 15395532001. The next prime is 15395532037. The reversal of 15395532023 is 32023559351.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15395532023 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15395532043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7697766011 + 7697766012.

It is an arithmetic number, because the mean of its divisors is an integer number (7697766012).

Almost surely, 2^15395532023 is an apocalyptic number.

15395532023 is a deficient number, since it is larger than the sum of its proper divisors (1).

15395532023 is an equidigital number, since it uses as much as digits as its factorization.

15395532023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121500, while the sum is 38.

The spelling of 15395532023 in words is "fifteen billion, three hundred ninety-five million, five hundred thirty-two thousand, twenty-three".