123953045 has 8 divisors (see below), whose sum is σ = 152371800. Its totient is φ = 96743680.

The previous prime is 123953033. The next prime is 123953057. The reversal of 123953045 is 540359321.

It is an interprime number because it is at equal distance from previous prime (123953033) and next prime (123953057).

It can be written as a sum of positive squares in 4 ways, for example, as 454276 + 123498769 = 674^2 + 11113^2 .

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

It is not a de Polignac number, because 123953045 - 2⁴ = 123953029 is a prime.

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, 302120 + ... + 302529.

It is an arithmetic number, because the mean of its divisors is an integer number (19046475).

Almost surely, 2^123953045 is an apocalyptic number.

It is an amenable number.

123953045 is a deficient number, since it is larger than the sum of its proper divisors (28418755).

123953045 is an equidigital number, since it uses as much as digits as its factorization.

123953045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604695.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 123953045 is about 11133.4201842920. The cubic root of 123953045 is about 498.6001444665.

The spelling of 123953045 in words is "one hundred twenty-three million, nine hundred fifty-three thousand, forty-five".