25423423102 has 16 divisors (see below), whose sum is σ = 47545103232. Its totient is φ = 9905229720.

The previous prime is 25423423093. The next prime is 25423423111. The reversal of 25423423102 is 20132432452.

It is an interprime number because it is at equal distance from previous prime (25423423093) and next prime (25423423111).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82543428 + ... + 82543735.

It is an arithmetic number, because the mean of its divisors is an integer number (2971568952).

Almost surely, 2^25423423102 is an apocalyptic number.

25423423102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25423423102 is a deficient number, since it is larger than the sum of its proper divisors (22121680130).

25423423102 is a wasteful number, since it uses less digits than its factorization.

25423423102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165087183.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 25423423102 its reverse (20132432452), we get a palindrome (45555855554).

The spelling of 25423423102 in words is "twenty-five billion, four hundred twenty-three million, four hundred twenty-three thousand, one hundred two".