10554121423 has 2 divisors, whose sum is σ = 10554121424. Its totient is φ = 10554121422.

The previous prime is 10554121421. The next prime is 10554121427. The reversal of 10554121423 is 32412145501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10554121423 - 2¹ = 10554121421 is a prime.

It is a super-2 number, since 2×10554121423² (a number of 21 digits) contains 22 as substring.

Together with 10554121421, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 10554121391 and 10554121400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10554121421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5277060711 + 5277060712.

It is an arithmetic number, because the mean of its divisors is an integer number (5277060712).

Almost surely, 2^10554121423 is an apocalyptic number.

10554121423 is a deficient number, since it is larger than the sum of its proper divisors (1).

10554121423 is an equidigital number, since it uses as much as digits as its factorization.

10554121423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 10554121423 its reverse (32412145501), we get a palindrome (42966266924).

The spelling of 10554121423 in words is "ten billion, five hundred fifty-four million, one hundred twenty-one thousand, four hundred twenty-three".