123569130 has 16 divisors (see below), whose sum is σ = 296565984. Its totient is φ = 32951760.

The previous prime is 123569123. The next prime is 123569137. The reversal of 123569130 is 31965321.

It is an interprime number because it is at equal distance from previous prime (123569123) and next prime (123569137).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4118971 = 123569130 / (1 + 2 + 3 + 5 + 6 + 9 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (123569137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2059456 + ... + 2059515.

It is an arithmetic number, because the mean of its divisors is an integer number (18535374).

Almost surely, 2^123569130 is an apocalyptic number.

123569130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123569130 is an abundant number, since it is smaller than the sum of its proper divisors (172996854).

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

123569130 is a wasteful number, since it uses less digits than its factorization.

123569130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118981.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 123569130 is about 11116.1652560584. The cubic root of 123569130 is about 498.0848470778.

The spelling of 123569130 in words is "one hundred twenty-three million, five hundred sixty-nine thousand, one hundred thirty".