123400022 has 16 divisors (see below), whose sum is σ = 195179760. Its totient is φ = 58351392.

The previous prime is 123400021. The next prime is 123400027. The reversal of 123400022 is 220004321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123400021) 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, 22328 + ... + 27300.

It is an arithmetic number, because the mean of its divisors is an integer number (12198735).

Almost surely, 2^123400022 is an apocalyptic number.

123400022 is a deficient number, since it is larger than the sum of its proper divisors (71779738).

123400022 is a wasteful number, since it uses less digits than its factorization.

123400022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 123400022 is about 11108.5562518268. The cubic root of 123400022 is about 497.8575287463.

Adding to 123400022 its reverse (220004321), we get a palindrome (343404343).

The spelling of 123400022 in words is "one hundred twenty-three million, four hundred thousand, twenty-two".