123450025450 has 24 divisors (see below), whose sum is σ = 232523599680. Its totient is φ = 48754945200.

The previous prime is 123450025423. The next prime is 123450025477. The reversal of 123450025450 is 54520054321.

It is an interprime number because it is at equal distance from previous prime (123450025423) and next prime (123450025477).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15622636 + ... + 15630535.

It is an arithmetic number, because the mean of its divisors is an integer number (9688483320).

Almost surely, 2^123450025450 is an apocalyptic number.

123450025450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123450025450 is a deficient number, since it is larger than the sum of its proper divisors (109073574230).

123450025450 is a wasteful number, since it uses less digits than its factorization.

123450025450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31253262 (or 31253257 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 123450025450 its reverse (54520054321), we get a palindrome (177970079771).

The spelling of 123450025450 in words is "one hundred twenty-three billion, four hundred fifty million, twenty-five thousand, four hundred fifty".