23303400405225 has 48 divisors (see below), whose sum is σ = 38617002990528. Its totient is φ = 12399868938240.

The previous prime is 23303400405221. The next prime is 23303400405283. The reversal of 23303400405225 is 52250400430332.

It is not a de Polignac number, because 23303400405225 - 2² = 23303400405221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23303400405221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 345012657 + ... + 345080193.

It is an arithmetic number, because the mean of its divisors is an integer number (804520895636).

Almost surely, 2^{23303400405225} is an apocalyptic number.

23303400405225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23303400405225 is a deficient number, since it is larger than the sum of its proper divisors (15313602585303).

23303400405225 is a wasteful number, since it uses less digits than its factorization.

23303400405225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78074 (or 78069 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 23303400405225 its reverse (52250400430332), we get a palindrome (75553800835557).

The spelling of 23303400405225 in words is "twenty-three trillion, three hundred three billion, four hundred million, four hundred five thousand, two hundred twenty-five".