123240010 has 16 divisors (see below), whose sum is σ = 223117416. Its totient is φ = 49010368.

The previous prime is 123239993. The next prime is 123240011. The reversal of 123240010 is 10042321.

It can be written as a sum of positive squares in 4 ways, for example, as 94692361 + 28547649 = 9731^2 + 5343^2 .

It is not an unprimeable number, because it can be changed into a prime (123240011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33889 + ... + 37348.

Almost surely, 2^123240010 is an apocalyptic number.

123240010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123240010 is a deficient number, since it is larger than the sum of its proper divisors (99877406).

123240010 is a wasteful number, since it uses less digits than its factorization.

123240010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71417.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 123240010 is about 11101.3517194979. The cubic root of 123240010 is about 497.6422461358.

Adding to 123240010 its reverse (10042321), we get a palindrome (133282331).

The spelling of 123240010 in words is "one hundred twenty-three million, two hundred forty thousand, ten".