40123423025 has 48 divisors (see below), whose sum is σ = 57236336640. Its totient is φ = 27332040000.

The previous prime is 40123423007. The next prime is 40123423027. The reversal of 40123423025 is 52032432104.

40123423025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40123423025 - 2¹⁸ = 40123160881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40123422985 and 40123423003.

It is not an unprimeable number, because it can be changed into a prime (40123423027) 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, 21039122 + ... + 21041028.

It is an arithmetic number, because the mean of its divisors is an integer number (1192423680).

Almost surely, 2^40123423025 is an apocalyptic number.

It is an amenable number.

40123423025 is a deficient number, since it is larger than the sum of its proper divisors (17112913615).

40123423025 is a wasteful number, since it uses less digits than its factorization.

40123423025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654 (or 2649 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 40123423025 its reverse (52032432104), we get a palindrome (92155855129).

The spelling of 40123423025 in words is "forty billion, one hundred twenty-three million, four hundred twenty-three thousand, twenty-five".