101623573 has 2 divisors, whose sum is σ = 101623574. Its totient is φ = 101623572.

The previous prime is 101623567. The next prime is 101623579. The reversal of 101623573 is 375326101.

It is a balanced prime because it is at equal distance from previous prime (101623567) and next prime (101623579).

It can be written as a sum of positive squares in only one way, i.e., 100140049 + 1483524 = 10007^2 + 1218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101623573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101623579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50811786 + 50811787.

It is an arithmetic number, because the mean of its divisors is an integer number (50811787).

Almost surely, 2^101623573 is an apocalyptic number.

It is an amenable number.

101623573 is a deficient number, since it is larger than the sum of its proper divisors (1).

101623573 is an equidigital number, since it uses as much as digits as its factorization.

101623573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 101623573 is about 10080.8517993273. The cubic root of 101623573 is about 466.6573961310.

Adding to 101623573 its reverse (375326101), we get a palindrome (476949674).

The spelling of 101623573 in words is "one hundred one million, six hundred twenty-three thousand, five hundred seventy-three".