25423123510 has 32 divisors (see below), whose sum is σ = 46652112000. Its totient is φ = 9973092480.

The previous prime is 25423123471. The next prime is 25423123571. The reversal of 25423123510 is 1532132452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9720 + ... + 225700.

It is an arithmetic number, because the mean of its divisors is an integer number (1457878500).

Almost surely, 2^25423123510 is an apocalyptic number.

25423123510 is a deficient number, since it is larger than the sum of its proper divisors (21228988490).

25423123510 is a wasteful number, since it uses less digits than its factorization.

25423123510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216216.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 25423123510 its reverse (1532132452), we get a palindrome (26955255962).

The spelling of 25423123510 in words is "twenty-five billion, four hundred twenty-three million, one hundred twenty-three thousand, five hundred ten".