123450402 has 8 divisors (see below), whose sum is σ = 246900816. Its totient is φ = 41150132.

The previous prime is 123450337. The next prime is 123450427. The reversal of 123450402 is 204054321.

It is a sphenic number, since it is the product of 3 distinct primes.

123450402 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10287528 + ... + 10287539.

It is an arithmetic number, because the mean of its divisors is an integer number (30862602).

Almost surely, 2^123450402 is an apocalyptic number.

123450402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123450402 is a wasteful number, since it uses less digits than its factorization.

123450402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20575072.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 123450402 is about 11110.8236418368. The cubic root of 123450402 is about 497.9252722504.

The spelling of 123450402 in words is "one hundred twenty-three million, four hundred fifty thousand, four hundred two".