623105042 has 16 divisors (see below), whose sum is σ = 1068501120. Its totient is φ = 266964768.

The previous prime is 623105033. The next prime is 623105051. The reversal of 623105042 is 240501326.

It is an interprime number because it is at equal distance from previous prime (623105033) and next prime (623105051).

It is a junction number, because it is equal to n+sod(n) for n = 623104999 and 623105017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83459 + ... + 90617.

It is an arithmetic number, because the mean of its divisors is an integer number (66781320).

Almost surely, 2^623105042 is an apocalyptic number.

623105042 is a deficient number, since it is larger than the sum of its proper divisors (445396078).

623105042 is a wasteful number, since it uses less digits than its factorization.

623105042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13385.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 623105042 is about 24962.0720694417. The cubic root of 623105042 is about 854.1230098848.

Adding to 623105042 its reverse (240501326), we get a palindrome (863606368).

The spelling of 623105042 in words is "six hundred twenty-three million, one hundred five thousand, forty-two".