23400134306644 has 6 divisors (see below), whose sum is σ = 40950235036634. Its totient is φ = 11700067153320.

The previous prime is 23400134306639. The next prime is 23400134306651. The reversal of 23400134306644 is 44660343100432.

It can be written as a sum of positive squares in only one way, i.e., 16095341610000 + 7304792696644 = 4011900^2 + 2702738^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23400134306597 and 23400134306606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2925016788327 + ... + 2925016788334.

Almost surely, 2^{23400134306644} is an apocalyptic number.

It is an amenable number.

23400134306644 is a deficient number, since it is larger than the sum of its proper divisors (17550100729990).

23400134306644 is a wasteful number, since it uses less digits than its factorization.

23400134306644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850033576665 (or 5850033576663 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 40.

The spelling of 23400134306644 in words is "twenty-three trillion, four hundred billion, one hundred thirty-four million, three hundred six thousand, six hundred forty-four".