15652397623 has 2 divisors, whose sum is σ = 15652397624. Its totient is φ = 15652397622.

The previous prime is 15652397617. The next prime is 15652397633. The reversal of 15652397623 is 32679325651.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15652397623 - 2⁵ = 15652397591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15652397633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7826198811 + 7826198812.

It is an arithmetic number, because the mean of its divisors is an integer number (7826198812).

Almost surely, 2^15652397623 is an apocalyptic number.

15652397623 is a deficient number, since it is larger than the sum of its proper divisors (1).

15652397623 is an equidigital number, since it uses as much as digits as its factorization.

15652397623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 49.

The spelling of 15652397623 in words is "fifteen billion, six hundred fifty-two million, three hundred ninety-seven thousand, six hundred twenty-three".