23419640720225 has 24 divisors (see below), whose sum is σ = 29186724971712. Its totient is φ = 18641455732800.

The previous prime is 23419640720219. The next prime is 23419640720237. The reversal of 23419640720225 is 52202704691432.

It is not a de Polignac number, because 23419640720225 - 2¹⁴ = 23419640703841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23419640720225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3136319 + ... + 7528331.

It is an arithmetic number, because the mean of its divisors is an integer number (1216113540488).

Almost surely, 2^{23419640720225} is an apocalyptic number.

23419640720225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23419640720225 is a deficient number, since it is larger than the sum of its proper divisors (5767084251487).

23419640720225 is a wasteful number, since it uses less digits than its factorization.

23419640720225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4393097 (or 4393092 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 23419640720225 in words is "twenty-three trillion, four hundred nineteen billion, six hundred forty million, seven hundred twenty thousand, two hundred twenty-five".