23503402033425 has 144 divisors (see below), whose sum is σ = 44056265093568. Its totient is φ = 11969075289600.

The previous prime is 23503402033387. The next prime is 23503402033429. The reversal of 23503402033425 is 52433020430532.

It is a happy number.

23503402033425 is a `hidden beast` number, since 23 + 5 + 0 + 3 + 4 + 0 + 203 + 3 + 425 = 666.

It is not a de Polignac number, because 23503402033425 - 2³⁵ = 23469042295057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23503402033425.

It is not an unprimeable number, because it can be changed into a prime (23503402033429) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 66137715 + ... + 66492135.

It is an arithmetic number, because the mean of its divisors is an integer number (305946285372).

Almost surely, 2^{23503402033425} is an apocalyptic number.

23503402033425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23503402033425 is a deficient number, since it is larger than the sum of its proper divisors (20552863060143).

23503402033425 is a wasteful number, since it uses less digits than its factorization.

23503402033425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354640 (or 354632 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 36.

Adding to 23503402033425 its reverse (52433020430532), we get a palindrome (75936422463957).

The spelling of 23503402033425 in words is "twenty-three trillion, five hundred three billion, four hundred two million, thirty-three thousand, four hundred twenty-five".