25152020923 has 2 divisors, whose sum is σ = 25152020924. Its totient is φ = 25152020922.

The previous prime is 25152020893. The next prime is 25152020947. The reversal of 25152020923 is 32902025152.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25152020923 is a prime.

It is a super-2 number, since 2×25152020923² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25152020983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12576010461 + 12576010462.

It is an arithmetic number, because the mean of its divisors is an integer number (12576010462).

Almost surely, 2^25152020923 is an apocalyptic number.

25152020923 is a deficient number, since it is larger than the sum of its proper divisors (1).

25152020923 is an equidigital number, since it uses as much as digits as its factorization.

25152020923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 25152020923 in words is "twenty-five billion, one hundred fifty-two million, twenty thousand, nine hundred twenty-three".