123150130152 has 128 divisors (see below), whose sum is σ = 362100480000. Its totient is φ = 34165317888.

The previous prime is 123150130121. The next prime is 123150130183. The reversal of 123150130152 is 251031051321.

It is an interprime number because it is at equal distance from previous prime (123150130121) and next prime (123150130183).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3081933 + ... + 3121635.

It is an arithmetic number, because the mean of its divisors is an integer number (2828910000).

Almost surely, 2^123150130152 is an apocalyptic number.

123150130152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123150130152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181050240000).

123150130152 is an abundant number, since it is smaller than the sum of its proper divisors (238950349848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123150130152 is a wasteful number, since it uses less digits than its factorization.

123150130152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40255 (or 40251 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 123150130152 its reverse (251031051321), we get a palindrome (374181181473).

The spelling of 123150130152 in words is "one hundred twenty-three billion, one hundred fifty million, one hundred thirty thousand, one hundred fifty-two".