23134332120040 has 32 divisors (see below), whose sum is σ = 52401591225000. Its totient is φ = 9191627256064.

The previous prime is 23134332120023. The next prime is 23134332120083. The reversal of 23134332120040 is 4002123343132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11937398142916 + 11196933977124 = 3455054^2 + 3346182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23134332119990 and 23134332120008.

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, 1940793715 + ... + 1940805634.

Almost surely, 2^{23134332120040} is an apocalyptic number.

23134332120040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23134332120040 is an abundant number, since it is smaller than the sum of its proper divisors (29267259104960).

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

23134332120040 is a wasteful number, since it uses less digits than its factorization.

23134332120040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881599509 (or 3881599505 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 23134332120040 its reverse (4002123343132), we get a palindrome (27136455463172).

The spelling of 23134332120040 in words is "twenty-three trillion, one hundred thirty-four billion, three hundred thirty-two million, one hundred twenty thousand, forty".