23501445313425 has 48 divisors (see below), whose sum is σ = 39245744778240. Its totient is φ = 12408369963840.

The previous prime is 23501445313417. The next prime is 23501445313439. The reversal of 23501445313425 is 52431354410532.

It is not a de Polignac number, because 23501445313425 - 2³ = 23501445313417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23291242 + ... + 24279308.

It is an arithmetic number, because the mean of its divisors is an integer number (817619682880).

Almost surely, 2^{23501445313425} is an apocalyptic number.

23501445313425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23501445313425 is a deficient number, since it is larger than the sum of its proper divisors (15744299464815).

23501445313425 is a wasteful number, since it uses less digits than its factorization.

23501445313425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991262 (or 991257 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 23501445313425 its reverse (52431354410532), we get a palindrome (75932799723957).

The spelling of 23501445313425 in words is "twenty-three trillion, five hundred one billion, four hundred forty-five million, three hundred thirteen thousand, four hundred twenty-five".