23103402040423 has 2 divisors, whose sum is σ = 23103402040424. Its totient is φ = 23103402040422.

The previous prime is 23103402040343. The next prime is 23103402040451. The reversal of 23103402040423 is 32404020430132.

It is an a-pointer prime, because the next prime (23103402040451) can be obtained adding 23103402040423 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23103402040423 - 2¹⁷ = 23103401909351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23103402040391 and 23103402040400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23103402047423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551701020211 + 11551701020212.

It is an arithmetic number, because the mean of its divisors is an integer number (11551701020212).

Almost surely, 2^{23103402040423} is an apocalyptic number.

23103402040423 is a deficient number, since it is larger than the sum of its proper divisors (1).

23103402040423 is an equidigital number, since it uses as much as digits as its factorization.

23103402040423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23103402040423 its reverse (32404020430132), we get a palindrome (55507422470555).

The spelling of 23103402040423 in words is "twenty-three trillion, one hundred three billion, four hundred two million, forty thousand, four hundred twenty-three".