23405102205025 has 48 divisors (see below), whose sum is σ = 31101230197440. Its totient is φ = 17420514739200.

The previous prime is 23405102205011. The next prime is 23405102205131. The reversal of 23405102205025 is 52050220150432.

It is not a de Polignac number, because 23405102205025 - 2⁹ = 23405102204513 is a prime.

It is a super-2 number, since 2×23405102205025² (a number of 28 digits) contains 22 as substring.

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, 6630810 + ... + 9527740.

It is an arithmetic number, because the mean of its divisors is an integer number (647942295780).

Almost surely, 2^{23405102205025} is an apocalyptic number.

23405102205025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23405102205025 is a deficient number, since it is larger than the sum of its proper divisors (7696127992415).

23405102205025 is a wasteful number, since it uses less digits than its factorization.

23405102205025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897266 (or 2897261 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 23405102205025 its reverse (52050220150432), we get a palindrome (75455322355457).

The spelling of 23405102205025 in words is "twenty-three trillion, four hundred five billion, one hundred two million, two hundred five thousand, twenty-five".