123473530 has 16 divisors (see below), whose sum is σ = 223372800. Its totient is φ = 49140432.

The previous prime is 123473521. The next prime is 123473549. The reversal of 123473530 is 35374321.

It is a super-2 number, since 2×123473530² = 30491425221321800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29034 + ... + 33013.

It is an arithmetic number, because the mean of its divisors is an integer number (13960800).

Almost surely, 2^123473530 is an apocalyptic number.

123473530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123473530 is a deficient number, since it is larger than the sum of its proper divisors (99899270).

123473530 is a wasteful number, since it uses less digits than its factorization.

123473530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62253.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 123473530 is about 11111.8643800219. The cubic root of 123473530 is about 497.9563651601.

The spelling of 123473530 in words is "one hundred twenty-three million, four hundred seventy-three thousand, five hundred thirty".