1623091288036 has 9 divisors (see below), whose sum is σ = 2840414213091. Its totient is φ = 811544370012.

The previous prime is 1623091287971. The next prime is 1623091288037. The reversal of 1623091288036 is 6308821903261.

The square root of 1623091288036 is 1274006.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1623091288037) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2229511 + ... + 2866513.

Almost surely, 2^{1623091288036} is an apocalyptic number.

1623091288036 is the 1274006-th square number.

It is an amenable number.

1623091288036 is a deficient number, since it is larger than the sum of its proper divisors (1217322925055).

1623091288036 is an frugal number, since it uses more digits than its factorization.

1623091288036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274010 (or 637005 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

Multiplying 1623091288036 by its sum of digits (49), we get a square (79531473113764 = 8918042²).

The spelling of 1623091288036 in words is "one trillion, six hundred twenty-three billion, ninety-one million, two hundred eighty-eight thousand, thirty-six".