25731075217323 has 24 divisors (see below), whose sum is σ = 39910347396048. Its totient is φ = 14703130907136.

The previous prime is 25731075217307. The next prime is 25731075217429. The reversal of 25731075217323 is 32371257013752.

It is not a de Polignac number, because 25731075217323 - 2⁴ = 25731075217307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25731075217303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4408215 + ... + 8419887.

It is an arithmetic number, because the mean of its divisors is an integer number (1662931141502).

Almost surely, 2^{25731075217323} is an apocalyptic number.

25731075217323 is a deficient number, since it is larger than the sum of its proper divisors (14179272178725).

25731075217323 is a wasteful number, since it uses less digits than its factorization.

25731075217323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055323 (or 4055316 counting only the distinct ones).

The product of its (nonzero) digits is 1852200, while the sum is 48.

The spelling of 25731075217323 in words is "twenty-five trillion, seven hundred thirty-one billion, seventy-five million, two hundred seventeen thousand, three hundred twenty-three".