23012040004 has 30 divisors (see below), whose sum is σ = 42788602934. Its totient is φ = 10829038080.

The previous prime is 23012039993. The next prime is 23012040047. The reversal of 23012040004 is 40004021032.

It can be written as a sum of positive squares in 5 ways, for example, as 619910404 + 22392129600 = 24898^2 + 149640^2 .

It is a super-3 number, since 3×23012040004³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23012040004.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 299644 + ... + 368524.

Almost surely, 2^23012040004 is an apocalyptic number.

It is an amenable number.

23012040004 is a deficient number, since it is larger than the sum of its proper divisors (19776562930).

23012040004 is an frugal number, since it uses more digits than its factorization.

23012040004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68953 (or 68900 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 23012040004 its reverse (40004021032), we get a palindrome (63016061036).

The spelling of 23012040004 in words is "twenty-three billion, twelve million, forty thousand, four".