123611622603 has 16 divisors (see below), whose sum is σ = 189003446016. Its totient is φ = 70394133600.

The previous prime is 123611622583. The next prime is 123611622637. The reversal of 123611622603 is 306226116321.

It is not a de Polignac number, because 123611622603 - 2⁶ = 123611622539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123611622683) 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, 10038673 + ... + 10050978.

It is an arithmetic number, because the mean of its divisors is an integer number (11812715376).

Almost surely, 2^123611622603 is an apocalyptic number.

123611622603 is a deficient number, since it is larger than the sum of its proper divisors (65391823413).

123611622603 is a wasteful number, since it uses less digits than its factorization.

123611622603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20089954.

The product of its (nonzero) digits is 15552, while the sum is 33.

Adding to 123611622603 its reverse (306226116321), we get a palindrome (429837738924).

The spelling of 123611622603 in words is "one hundred twenty-three billion, six hundred eleven million, six hundred twenty-two thousand, six hundred three".