101420723 has 2 divisors, whose sum is σ = 101420724. Its totient is φ = 101420722.

The previous prime is 101420713. The next prime is 101420797. The reversal of 101420723 is 327024101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101420723 - 2⁴ = 101420707 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 101420695 and 101420704.

It is not a weakly prime, because it can be changed into another prime (101420713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50710361 + 50710362.

It is an arithmetic number, because the mean of its divisors is an integer number (50710362).

Almost surely, 2^101420723 is an apocalyptic number.

101420723 is a deficient number, since it is larger than the sum of its proper divisors (1).

101420723 is an equidigital number, since it uses as much as digits as its factorization.

101420723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 101420723 is about 10070.7856198015. The cubic root of 101420723 is about 466.3466922780.

Adding to 101420723 its reverse (327024101), we get a palindrome (428444824).

The spelling of 101420723 in words is "one hundred one million, four hundred twenty thousand, seven hundred twenty-three".