23012100340 has 24 divisors (see below), whose sum is σ = 49504081032. Its totient is φ = 8980331520.

The previous prime is 23012100301. The next prime is 23012100359. The reversal of 23012100340 is 4300121032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1883733604 + 21128366736 = 43402^2 + 145356^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14030949 + ... + 14032588.

It is an arithmetic number, because the mean of its divisors is an integer number (2062670043).

Almost surely, 2^23012100340 is an apocalyptic number.

23012100340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23012100340 is an abundant number, since it is smaller than the sum of its proper divisors (26491980692).

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

23012100340 is a wasteful number, since it uses less digits than its factorization.

23012100340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28063587 (or 28063585 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23012100340 its reverse (4300121032), we get a palindrome (27312221372).

The spelling of 23012100340 in words is "twenty-three billion, twelve million, one hundred thousand, three hundred forty".