162723461 has 2 divisors, whose sum is σ = 162723462. Its totient is φ = 162723460.

The previous prime is 162723427. The next prime is 162723499. The reversal of 162723461 is 164327261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125574436 + 37149025 = 11206^2 + 6095^2 .

It is a cyclic number.

It is not a de Polignac number, because 162723461 - 2⁶ = 162723397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162723161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81361730 + 81361731.

It is an arithmetic number, because the mean of its divisors is an integer number (81361731).

Almost surely, 2^162723461 is an apocalyptic number.

It is an amenable number.

162723461 is a deficient number, since it is larger than the sum of its proper divisors (1).

162723461 is an equidigital number, since it uses as much as digits as its factorization.

162723461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 162723461 is about 12756.3106343488. The cubic root of 162723461 is about 545.9464641342.

The spelling of 162723461 in words is "one hundred sixty-two million, seven hundred twenty-three thousand, four hundred sixty-one".