123157446 has 16 divisors (see below), whose sum is σ = 246488304. Its totient is φ = 41023584.

The previous prime is 123157439. The next prime is 123157453. The reversal of 123157446 is 644751321.

It is an interprime number because it is at equal distance from previous prime (123157439) and next prime (123157453).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3156 + ... + 16008.

It is an arithmetic number, because the mean of its divisors is an integer number (15405519).

Almost surely, 2^123157446 is an apocalyptic number.

123157446 is an abundant number, since it is smaller than the sum of its proper divisors (123330858).

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

123157446 is a wasteful number, since it uses less digits than its factorization.

123157446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14455.

The product of its digits is 20160, while the sum is 33.

The square root of 123157446 is about 11097.6324502121. The cubic root of 123157446 is about 497.5310903695.

The spelling of 123157446 in words is "one hundred twenty-three million, one hundred fifty-seven thousand, four hundred forty-six".