123011033010 has 32 divisors (see below), whose sum is σ = 295258115520. Its totient is φ = 32799427008.

The previous prime is 123011032999. The next prime is 123011033083. The reversal of 123011033010 is 10330110321.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 71244 + ... + 501096.

It is an arithmetic number, because the mean of its divisors is an integer number (9226816110).

Almost surely, 2^123011033010 is an apocalyptic number.

123011033010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123011033010 is an abundant number, since it is smaller than the sum of its proper divisors (172247082510).

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

123011033010 is a wasteful number, since it uses less digits than its factorization.

123011033010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439402.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 123011033010 its reverse (10330110321), we get a palindrome (133341143331).

The spelling of 123011033010 in words is "one hundred twenty-three billion, eleven million, thirty-three thousand, ten".