123413990 has 16 divisors (see below), whose sum is σ = 253880352. Its totient is φ = 42313344.

The previous prime is 123413989. The next prime is 123413993. The reversal of 123413990 is 99314321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123413993) 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, 881459 + ... + 881598.

It is an arithmetic number, because the mean of its divisors is an integer number (15867522).

Almost surely, 2^123413990 is an apocalyptic number.

123413990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123413990 is an abundant number, since it is smaller than the sum of its proper divisors (130466362).

123413990 is a wasteful number, since it uses less digits than its factorization.

123413990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763071.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 123413990 is about 11109.1849385992. The cubic root of 123413990 is about 497.8763126749.

The spelling of 123413990 in words is "one hundred twenty-three million, four hundred thirteen thousand, nine hundred ninety".