1623272953 has 2 divisors, whose sum is σ = 1623272954. Its totient is φ = 1623272952.

The previous prime is 1623272951. The next prime is 1623272983. The reversal of 1623272953 is 3592723261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1338608569 + 284664384 = 36587^2 + 16872^2 .

It is a cyclic number.

It is not a de Polignac number, because 1623272953 - 2¹ = 1623272951 is a prime.

Together with 1623272951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1623272951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811636476 + 811636477.

It is an arithmetic number, because the mean of its divisors is an integer number (811636477).

Almost surely, 2^1623272953 is an apocalyptic number.

It is an amenable number.

1623272953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623272953 is an equidigital number, since it uses as much as digits as its factorization.

1623272953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 40.

The square root of 1623272953 is about 40289.8616651882. The cubic root of 1623272953 is about 1175.2506971942.

It can be divided in two parts, 1623 and 272953, that added together give a square (274576 = 524²).

The spelling of 1623272953 in words is "one billion, six hundred twenty-three million, two hundred seventy-two thousand, nine hundred fifty-three".