123010100030 has 32 divisors (see below), whose sum is σ = 222228316800. Its totient is φ = 49024235520.

The previous prime is 123010100011. The next prime is 123010100041. The reversal of 123010100030 is 30001010321.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123010099984 and 123010100020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4617950 + ... + 4644510.

It is an arithmetic number, because the mean of its divisors is an integer number (6944634900).

Almost surely, 2^123010100030 is an apocalyptic number.

123010100030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123010100030 is a deficient number, since it is larger than the sum of its proper divisors (99218216770).

123010100030 is a wasteful number, since it uses less digits than its factorization.

123010100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28244.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 123010100030 its reverse (30001010321), we get a palindrome (153011110351).

The spelling of 123010100030 in words is "one hundred twenty-three billion, ten million, one hundred thousand, thirty".