123401010 has 32 divisors (see below), whose sum is σ = 311751360. Its totient is φ = 31174848.

The previous prime is 123400999. The next prime is 123401017. The reversal of 123401010 is 10104321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123401017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107677 + ... + 108816.

It is an arithmetic number, because the mean of its divisors is an integer number (9742230).

Almost surely, 2^123401010 is an apocalyptic number.

123401010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123401010 is an abundant number, since it is smaller than the sum of its proper divisors (188350350).

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

123401010 is a wasteful number, since it uses less digits than its factorization.

123401010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216522.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 123401010 is about 11108.6007219631. The cubic root of 123401010 is about 497.8588574385.

Adding to 123401010 its reverse (10104321), we get a palindrome (133505331).

The spelling of 123401010 in words is "one hundred twenty-three million, four hundred one thousand, ten".