123403002 has 32 divisors (see below), whose sum is σ = 255467520. Its totient is φ = 39698160.

The previous prime is 123402973. The next prime is 123403031. The reversal of 123403002 is 200304321.

It is an interprime number because it is at equal distance from previous prime (123402973) and next prime (123403031).

It is a super-2 number, since 2×123403002² = 30456601805224008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92899 + ... + 94217.

It is an arithmetic number, because the mean of its divisors is an integer number (7983360).

Almost surely, 2^123403002 is an apocalyptic number.

123403002 is an abundant number, since it is smaller than the sum of its proper divisors (132064518).

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

123403002 is a wasteful number, since it uses less digits than its factorization.

123403002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 123403002 is about 11108.6903818587. The cubic root of 123403002 is about 497.8615363185.

Adding to 123403002 its reverse (200304321), we get a palindrome (323707323).

The spelling of 123403002 in words is "one hundred twenty-three million, four hundred three thousand, two".