25323144002 has 32 divisors (see below), whose sum is σ = 43324751232. Its totient is φ = 10997086464.

The previous prime is 25323143987. The next prime is 25323144017. The reversal of 25323144002 is 20044132352.

It is an interprime number because it is at equal distance from previous prime (25323143987) and next prime (25323144017).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2551133 + ... + 2561039.

It is an arithmetic number, because the mean of its divisors is an integer number (1353898476).

Almost surely, 2^25323144002 is an apocalyptic number.

25323144002 is a deficient number, since it is larger than the sum of its proper divisors (18001607230).

25323144002 is a wasteful number, since it uses less digits than its factorization.

25323144002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15722.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 25323144002 its reverse (20044132352), we get a palindrome (45367276354).

The spelling of 25323144002 in words is "twenty-five billion, three hundred twenty-three million, one hundred forty-four thousand, two".